Penumbra

Penumbra is a Ray Tracer Challenge implementation built for the web. It’s a work in progress.

Development Journal

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1. Sat Mar 23 2024

   How I Am Using GitHub Copilot
   

   A six minute video I produced to show how I am using GitHub Copilot as I work on my ray tracer, Penumbra. Includes a preview of the upcoming switch to Rust/WebAssembly!

2. Fri Dec 29 2023

   Chapter 5: Ray-Sphere Interactions
   

   Finally! Ray casting! Plus an interactive demo of a sphere’s shadow.

3. Sat Dec 09 2023

   Chapters 2–4: Canvas and Matrices
   

   An overdue and long update covering 3 chapters! The site has moved to its permanent home and the demo for these chapters is a neat little animated clock.

4. Sun Nov 19 2023

   Chapter 1: Tuples
   

   An interactive web component already!

5. Sat Nov 11 2023

   One More Yak to Shave
   

   Just one more yak to shave before I can get started on the first test.

6. Tue Oct 31 2023

   Getting Nerd Sniped
   

   I just want to start this challenge, but there’s a bunch of things I need to figure out first.